smokeloader | e1d1a26711616a85bf2865a3e0571d11b611303d825f99fa5b1231bfe1ff91d6

Analysis

max time kernel
151s
max time network
60s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
14/01/2023, 04:23

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General

Target

e1d1a26711616a85bf2865a3e0571d11b611303d825f99fa5b1231bfe1ff91d6.exe
Size

260KB
MD5

41e6103460d1d000e05000a35917da95
SHA1

2f5a3b7eac251a0f9b19a538d902c48a2bf90854
SHA256

e1d1a26711616a85bf2865a3e0571d11b611303d825f99fa5b1231bfe1ff91d6
SHA512

f4992c1c475b9a18b7ab64c72d8c2f8815d99bee1da1adc2102b5b1d77d369575252c60b02b46a1097b99e15586d8137038fee9bf6506d96b0b232178ba31afa
SSDEEP

3072:SXGuWhUL5b3+NGQbOK2TWv27cUONq5kyxH2apb8pBI8jwWRjoV:SdQvbOlKvOdON+pgpRjFE

Score

10^/10

smokeloader backdoor trojan

Malware Config

Signatures

Detects Smokeloader packer 5 IoCs

resource	yara_rule
behavioral1/memory/2780-149-0x00000000048C0000-0x00000000048C9000-memory.dmp	family_smokeloader
behavioral1/memory/4960-151-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4960-152-0x0000000000402DD8-mapping.dmp	family_smokeloader
behavioral1/memory/4960-165-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader
behavioral1/memory/4960-183-0x0000000000400000-0x0000000000409000-memory.dmp	family_smokeloader

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader

Deletes itself 1 IoCs

pid	Process
2900	Process not Found

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2780 set thread context of 4960	2780	e1d1a26711616a85bf2865a3e0571d11b611303d825f99fa5b1231bfe1ff91d6.exe	66

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e1d1a26711616a85bf2865a3e0571d11b611303d825f99fa5b1231bfe1ff91d6.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e1d1a26711616a85bf2865a3e0571d11b611303d825f99fa5b1231bfe1ff91d6.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	e1d1a26711616a85bf2865a3e0571d11b611303d825f99fa5b1231bfe1ff91d6.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4960	e1d1a26711616a85bf2865a3e0571d11b611303d825f99fa5b1231bfe1ff91d6.exe
4960	e1d1a26711616a85bf2865a3e0571d11b611303d825f99fa5b1231bfe1ff91d6.exe
2900	Process not Found
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2900	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4960	e1d1a26711616a85bf2865a3e0571d11b611303d825f99fa5b1231bfe1ff91d6.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2780 wrote to memory of 4960	2780	e1d1a26711616a85bf2865a3e0571d11b611303d825f99fa5b1231bfe1ff91d6.exe	66
PID 2780 wrote to memory of 4960	2780	e1d1a26711616a85bf2865a3e0571d11b611303d825f99fa5b1231bfe1ff91d6.exe	66
PID 2780 wrote to memory of 4960	2780	e1d1a26711616a85bf2865a3e0571d11b611303d825f99fa5b1231bfe1ff91d6.exe	66
PID 2780 wrote to memory of 4960	2780	e1d1a26711616a85bf2865a3e0571d11b611303d825f99fa5b1231bfe1ff91d6.exe	66
PID 2780 wrote to memory of 4960	2780	e1d1a26711616a85bf2865a3e0571d11b611303d825f99fa5b1231bfe1ff91d6.exe	66
PID 2780 wrote to memory of 4960	2780	e1d1a26711616a85bf2865a3e0571d11b611303d825f99fa5b1231bfe1ff91d6.exe	66

C:\Users\Admin\AppData\Local\Temp\e1d1a26711616a85bf2865a3e0571d11b611303d825f99fa5b1231bfe1ff91d6.exe
"C:\Users\Admin\AppData\Local\Temp\e1d1a26711616a85bf2865a3e0571d11b611303d825f99fa5b1231bfe1ff91d6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2780
- C:\Users\Admin\AppData\Local\Temp\e1d1a26711616a85bf2865a3e0571d11b611303d825f99fa5b1231bfe1ff91d6.exe
  "C:\Users\Admin\AppData\Local\Temp\e1d1a26711616a85bf2865a3e0571d11b611303d825f99fa5b1231bfe1ff91d6.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:4960

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2780-120-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-122-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-121-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-123-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-124-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-125-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-126-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-127-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-128-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-129-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-130-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-131-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-132-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-133-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-134-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-135-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-136-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-137-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-138-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-139-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-140-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-142-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-143-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-144-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-145-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-146-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-147-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-148-0x0000000002C10000-0x0000000002D5A000-memory.dmp

Filesize
1.3MB

Download
memory/2780-149-0x00000000048C0000-0x00000000048C9000-memory.dmp

Filesize
36KB

Download
memory/2780-150-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4960-151-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4960-153-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4960-154-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4960-155-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4960-156-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4960-157-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4960-158-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4960-159-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4960-160-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4960-161-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4960-162-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4960-163-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4960-164-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4960-165-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/4960-166-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4960-167-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4960-168-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4960-169-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4960-170-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4960-171-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4960-172-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4960-173-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4960-174-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4960-175-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4960-176-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4960-177-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4960-178-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4960-179-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4960-180-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4960-181-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4960-182-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/4960-183-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download